body {
    background-color: #f2f2f2;
}
.login-form {
    margin: 10% 33%;
    width: 30%;
}

.login-validate-msg {
    text-align: center;
    color: red;
}

.layui-card {
    border: 1px solid #1E9FFF;
}

.layui-card-header-content {
    background-color: #1E9FFF;
    font-family: 黑体;
    font-size: 25px;
    color: white;
    text-align: center;
}